4.2.3 Roaming architecture for EPC-routed traffic

23.1393GPP3GPP system - fixed broadband access network interworkingRelease 17Stage 2TS

Figure 4.2.3-1: Roaming Architecture for untrusted Fixed Broadband access network based on S2b – Home routed traffic

NOTE 1: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

Figure 4.2.3-2: Roaming Architecture for trusted Fixed Broadband access network using S2c – Home Routed

NOTE 2: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

NOTE 3: The connection between the BRAS/BNG and PDN Gateway is an IP transport connection.

Figure 4.2.3-3: Roaming Architecture for untrusted Fixed Broadband access network using S2c – Home Routed

NOTE 4: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

Figure 4.2.3-4: Roaming Architecture for untrusted Fixed Broadband access network using S2b – Local breakout in V-PLMN

NOTE 5: The two Rx instances in Figure 4.2.3-4 apply to different application functions in the HPLMN and VPLMN.

NOTE 6: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

Figure 4.2.3-5: Roaming Architecture for trusted Fixed Broadband access network using S2c – Local breakout in V-PLMN

NOTE 7: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

NOTE 8: The two Rx instances in Figure 4.2.3-5 apply to different application functions in the HPLMN and VPLMN.

NOTE 9: The connection between the BRAS/BNG and PDN Gateway is a IP transport connection.

Figure 4.2.3-6: Roaming Architecture for untrusted Fixed Broadband access network using S2c – Local breakout in V-PLMN

NOTE 10: The reference architecture is applicable when both 3GPP and Fixed Broadband network belongs to the same VPLMN network operator or to different network operators.

NOTE 11: The two Rx instances in Figure 4.2.3-6 apply to different application functions in the HPLMN and VPLMN.